HEADER ELECTRON TRANSPORT 22-SEP-03 1R0J TITLE NICKEL-SUBSTITUTED RUBREDOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: RUBREDOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RD; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM PASTEURIANUM; SOURCE 3 ORGANISM_TAXID: 1501; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKK223-3 KEYWDS RUBREDOXIN, IRON-SULFUR, CLOSTRIDIUM PASTEURIANUM, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.MAHER,M.CROSS,M.C.J.WILCE,J.M.GUSS,A.G.WEDD REVDAT 3 25-OCT-23 1R0J 1 REMARK LINK REVDAT 2 24-FEB-09 1R0J 1 VERSN REVDAT 1 10-FEB-04 1R0J 0 JRNL AUTH M.MAHER,M.CROSS,M.C.WILCE,J.M.GUSS,A.G.WEDD JRNL TITL METAL-SUBSTITUTED DERIVATIVES OF THE RUBREDOXIN FROM JRNL TITL 2 CLOSTRIDIUM PASTEURIANUM. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 60 298 2004 JRNL REFN ISSN 0907-4449 JRNL PMID 14747706 JRNL DOI 10.1107/S090744490302794X REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 2996 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.200 REMARK 3 FREE R VALUE TEST SET COUNT : 132 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 218 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1500 REMARK 3 BIN FREE R VALUE SET COUNT : 11 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 412 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 23 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.53 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.04000 REMARK 3 B22 (A**2) : -2.04000 REMARK 3 B33 (A**2) : 3.06000 REMARK 3 B12 (A**2) : -1.02000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.275 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.191 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.124 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.028 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.917 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 441 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 373 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 599 ; 1.361 ; 1.979 REMARK 3 BOND ANGLES OTHERS (DEGREES): 928 ; 0.863 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 52 ; 6.214 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 62 ; 0.095 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 489 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 74 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 103 ; 0.225 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 402 ; 0.225 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 214 ; 0.088 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 15 ; 0.152 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 9 ; 0.239 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 23 ; 0.250 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 2 ; 0.048 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 266 ; 0.573 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 437 ; 0.930 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 175 ; 1.131 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 160 ; 1.691 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 53 REMARK 3 ORIGIN FOR THE GROUP (A): 18.9025 25.2948 18.9636 REMARK 3 T TENSOR REMARK 3 T11: 0.1074 T22: 0.0911 REMARK 3 T33: 0.0018 T12: 0.0222 REMARK 3 T13: -0.0008 T23: -0.0125 REMARK 3 L TENSOR REMARK 3 L11: 3.3533 L22: 1.9763 REMARK 3 L33: 0.9869 L12: 0.1218 REMARK 3 L13: -0.5721 L23: -0.2170 REMARK 3 S TENSOR REMARK 3 S11: -0.0175 S12: -0.0075 S13: 0.0857 REMARK 3 S21: -0.0199 S22: -0.0058 S23: 0.0978 REMARK 3 S31: -0.0673 S32: -0.0741 S33: 0.0234 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 1R0J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-SEP-03. REMARK 100 THE DEPOSITION ID IS D_1000020291. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 3599 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.37900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1IRO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM ACETATE, AMMONIUM SULFATE, PH REMARK 280 4.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 32.16550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.57076 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 10.70667 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 32.16550 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 18.57076 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 10.70667 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 32.16550 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 18.57076 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 10.70667 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 37.14152 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 21.41333 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 37.14152 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 21.41333 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 37.14152 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 21.41333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLU A 54 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 CYS A 39 123.38 -30.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 101 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 6 SG REMARK 620 2 CYS A 9 SG 121.4 REMARK 620 3 CYS A 39 SG 116.0 101.8 REMARK 620 4 CYS A 42 SG 105.1 104.1 107.1 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 101 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1R0F RELATED DB: PDB REMARK 900 1R0F CONTAINS GALLIUM-SUBSTITUTED RUBREDOXIN REMARK 900 RELATED ID: 1R0G RELATED DB: PDB REMARK 900 1R0G CONTAINS MERCURY-SUBSTITUTED RUBREDOXIN REMARK 900 RELATED ID: 1R0H RELATED DB: PDB REMARK 900 1R0H CONTAINS COBALT-SUBSTITUTED RUBREDOXIN REMARK 900 RELATED ID: 1R0I RELATED DB: PDB REMARK 900 1R0I CONTAINS CADMIUM-SUBSTITUTED RUBREDOXIN DBREF 1R0J A 1 54 UNP P00268 RUBR_CLOPA 1 54 SEQRES 1 A 54 MET LYS LYS TYR THR CYS THR VAL CYS GLY TYR ILE TYR SEQRES 2 A 54 ASN PRO GLU ASP GLY ASP PRO ASP ASN GLY VAL ASN PRO SEQRES 3 A 54 GLY THR ASP PHE LYS ASP ILE PRO ASP ASP TRP VAL CYS SEQRES 4 A 54 PRO LEU CYS GLY VAL GLY LYS ASP GLN PHE GLU GLU VAL SEQRES 5 A 54 GLU GLU HET NI A 101 1 HETNAM NI NICKEL (II) ION FORMUL 2 NI NI 2+ FORMUL 3 HOH *23(H2 O) HELIX 1 1 ASP A 19 GLY A 23 5 5 HELIX 2 2 ASP A 29 ILE A 33 5 5 HELIX 3 3 GLY A 45 ASP A 47 5 3 SHEET 1 A 3 ILE A 12 TYR A 13 0 SHEET 2 A 3 TYR A 4 CYS A 6 -1 N TYR A 4 O TYR A 13 SHEET 3 A 3 PHE A 49 GLU A 51 -1 O GLU A 50 N THR A 5 LINK SG CYS A 6 NI NI A 101 1555 1555 2.25 LINK SG CYS A 9 NI NI A 101 1555 1555 2.38 LINK SG CYS A 39 NI NI A 101 1555 1555 2.48 LINK SG CYS A 42 NI NI A 101 1555 1555 2.13 SITE 1 AC1 4 CYS A 6 CYS A 9 CYS A 39 CYS A 42 CRYST1 64.331 64.331 32.120 90.00 90.00 120.00 H 3 9 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.015545 0.008975 0.000000 0.00000 SCALE2 0.000000 0.017949 0.000000 0.00000 SCALE3 0.000000 0.000000 0.031133 0.00000